SQUARE D QDA221251 Molded Case Circuit Breaker
The Square D QDA221251 is a 125 A molded case circuit breaker for I-Line panelboards, with 2 poles, 240V AC, and a max. AIR rating of 25kA at 240V AC. It features a fixed instantaneous trip, lug terminal connection…
SKU 3G-OTH-721935
Also listed as: QDA 221251 · QDA-221251
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Square D QDA221251 is a 125 A molded case circuit breaker for I-Line panelboards, with 2 poles, 240V AC, and a max. AIR rating of 25kA at 240V AC. It features a fixed instantaneous trip, lug terminal connection, and AB phase connection, part of the QD series.
Frequently Asked Questions
What is the Square D QDA221251 molded case circuit breaker used for?
The Square D QDA221251 is a 125 A molded case circuit breaker designed for I-Line panelboards in industrial and commercial power distribution systems. It provides overcurrent protection for branch circuits and equipment, with a 25kA interrupting rating at 240V AC and a fixed instantaneous trip.
What are the specifications of the Square D QDA221251 circuit breaker?
The Square D QDA221251 is a 2-pole, 125 A molded case circuit breaker rated at 240V AC with a max. AIR rating of 25kA at 240V AC. It features a fixed instantaneous trip, lug terminal connection, and AB phase connection. It is part of the QD series for I-Line panelboards.
Where to buy the Square D QDA221251 circuit breaker worldwide?
3G Electric supplies the Square D QDA221251 molded case circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this QD series breaker.
How to select the correct Square D QDA221251 circuit breaker for an I-Line panelboard?
To select the Square D QDA221251, verify your panelboard accepts QD series breakers and requires a 2-pole, 125 A, 240V AC device with a 25kA interrupting rating. Ensure the lug terminal connection and AB phase connection match your bus configuration. Consult Square D documentation for compatibility.
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Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D square d molded case circuit breakers for i-line panelboards. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
